71927-89-4 Benzenesulfonic acid, 2(or 5)-butyl-5(or 2)-((4-((4-butylsulfophenyl)amino)-9,10-dihydro-5,8-dihydroxy-9,10-dioxo-1-anthracenyl)amino)-, disodium salt C.I. Acid Green 28 Disodium 2(or 5)-butyl-5(or 2)-((4-((4-butylsulphonatophenyl)amino)-9,10-dihydro-5,8-dihydroxy-9,10-dioxo-1-anthryl)amino)benzenesulphonate EINECS 276-184-3